Bath tub



FIG. 1 is a top perspective view of a bath tub showing my new design.

FIG. 2 is a bottom perspective view of the bath tub.

FIG. 3 is a side plan view of the bath tub.

FIG. 4 is a side plan sectional view of the bath tub taken longitudinally through FIG. 3.

FIG. 5 is a front plan view of the bath tub.

FIG. 6 is a front plan section view of the bath tub taken laterally through FIG. 5.

FIG. 7 is a top plan view of the bath tub; and,

FIG. 8 is a bottom plan view of the bath tub. 

CLAIM The ornamental design for a bath tub, as shown and described. 